= Short Description of CMIP5 Experiments = [[BR]] [[PageOutline]] [[BR]] == Table 3 : Baseline simulations for model evaluation and for understanding historical and paleoclimates. == === Exp 3.1 === || Experiment || '''Short Name''' || Exp Nb || Tier || Nb of year || Short description || || pre-industrial control (1800-)|| '''piControl''' || 3.1 || core || > 500 || '''Coupled atmosphere/ocean pre-industrial control run.''' Prescribed atmospheric concentrations of (i) all well-mixed gases (including CO2) (ii) some short-lived (reactive) species. Prescribed non-evolving emissions or concentrations of (i) natural aerosols or their precursors (ii) some short-lived (reactive) species. Unperturbed land use. || === Exp 3.2 === || Experiment || '''Short Name''' || Exp Nb || Tier || Nb of year || Short description || || historical (1850-2005)|| '''historical''' || 3.2 || core || 156 || '''simulation of recent past (1850-2005)''' Impose changing conditions (consistent with observations), which may include: (i) atmospheric composition (including CO2), due to both anthropogenic and volcanic influences (ii) solar forcing (iii) emissions or concentrations of short-lived species and natural and anthropogenic aerosols or their precursors (iv) land use || === Exp 3.3 === || Experiment || '''Short Name''' || Exp Nb || Tier || Nb of year || Short description || || AMIP (1979-2009)|| '''amip''' || 3.3 || core || > 30 || '''AMIP (1979- at least 2008)''' Impose SSTs & sea ice (from observations), but with other conditions (including CO2 concentrations and aerosols) as in expt. 3.2. See expt. 6.5 for further recommendations from CFMIP. || === Exp 3.4 === || Experiment || '''Short Name''' || Exp Nb || Tier || Nb of year || Short description || || mid-Holocene || '''midHolocene''' || 3.4 || tier 1 || > 100 || '''impose Mid-Holocene conditions''', consistent with PMIP || === Exp 3.5 === || Experiment || '''Short Name''' || Exp Nb || Tier || Nb of year || Short description || || last glacial minimum || '''lgm''' || 3.5 || tier 1 || > 100 || '''impose last glacial maximum conditions''', consistent with PMIP || === Exp 3.6 === || Experiment || '''Short Name''' || Exp Nb || Tier || Nb of year || Short description || || last millenium || '''past1000''' || 3.6 || tier 2 || 1000 || '''impose forcing for 850-1850''', consistent with PMIP || == Table 4 : Future climate projections with models forced by RCP concentrations. == === Exp 4.1 === || Experiment || '''Short Name''' || Exp Nb || Tier || Nb of year || Short description || || RCP 4.5 (2006-2100) || rcp45 ||4.1||core|| 95 || '''RCP4.5 (2006-2100)''' || === Exp 4.2 === || Experiment || '''Short Name''' || Exp Nb || Tier || Nb of year || Short description || || RCP 8.5 (2006-2100) || rcp85 ||4.2||core|| 95 || '''RCP8.5 (2006-2100)''' || === Exp 4.3 === || Experiment || '''Short Name''' || Exp Nb || Tier || Nb of year || Short description || || RCP 2.6 (2006-2100) || rcp26 ||4.3||tier 1|| 95 || '''RCP2.6 (2006-2100)''' || === Exp 4.4 === || Experiment || '''Short Name''' || Exp Nb || Tier || Nb of year || Short description || || RCP 6.0 (2006-2100) || rcp69 ||4.4||tier 1|| 95 || '''RCP6.0 (2006-2100)''' ||